Home / 406,948.40-561,520.36-271,185.04

Finding the Fourth Proportional to 406,948.40, 561,520.36 and 271,185.04

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Solution

The fourth proportional to 406,948.40, 561,520.36 and 271,185.04 is: 374,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,948.40 : 561,520.36 = 271,185.04 : x
  2. Step 2: Convert to fraction form
    406,948.40/561,520.36 = 271,185.04/x
  3. Step 3: Cross multiply
    406,948.40x = 561,520.36 × 271,185.04
  4. Step 4: Simplify right side
    406,948.40x = 152,275,921,287.41
  5. Step 5: Solve for x
    x = 152,275,921,287.41/406,948.40
  6. Step 6: Final answer
    x = 374,189.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.